
Mozilla Observatory
Hardenize
Qualys SSL Server Test
HTTP Observatory
MxToolBox
Sucuri Security Scanner
Snyk
Quickly and easily assess the security of your HTTP response headers.

Charles Proxy
HTTP Toolkit
Surge for Mac
Proxyman.io
Weer
James
Burp Suite
mitmproxy is an SSL-capable man-in-the-middle proxy for HTTP.

Which is more popular?
mitmproxy might be a bit more popular than Security Headers. We know about 93 links to it since March 2021 and only 70 links to Security Headers.
Website, pricing, platforms and company facts side by side.
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| Website | securityheaders.com | mitmproxy.org |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of Security Headers yet.
Overall verdict
Why this product is good
Recommended for
Mitmproxy is recommended for software developers, QA testers, network administrators, and security researchers who require advanced tools for inspecting and debugging HTTP/HTTPS traffic. It is also beneficial for students and educators in computer science and cybersecurity disciplines who are learning about network protocols.
Walkthroughs and reviews on video.
HTTP Security Headers | Part 01
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Security Headers and mitmproxy. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


MITMproxy is a free and open-source interactive HTTP(s) proxy. Distinct from others, this tool works based on three major attributes, a command line, a web interface, and a Python API. As a command line, it can be...
mitmproxy is a popular open-source HTTPS proxy among security researchers. Use it as a CLI, web, or Python API.
Recommendations tracked on public social media and blogs since March 2021.


Since we were back in the security settings anyway, Claude and I went through the whole guide: added headers, set up CSP with no inline scripts, no-store. The securityheaders.com score went from F to A+. - Source: dev.to / about 18 hours ago
Check: Go to securityheaders.com and enter your URL. A grade below B means you're missing important ones. - Source: dev.to / 4 months ago
The curl above is the fastest check; all four lines should come back. In a browser, DevTools, Network tab, click the document request, read Response Headers. For a letter grade, securityheaders.com scores you against a known rubric. One... - Source: dev.to / 5 months ago
Mitmproxy is the gold standard here. It's free, open source, and Python-scriptable. - Source: dev.to / 5 months ago
A Man-in-the-Middle (MITM) proxy sits between your client and the destination server, intercepting and decrypting TLS traffic so you can inspect it in plain text. Before you panic about the name — this is a standard, legitimate debugging... - Source: dev.to / 6 months ago
Leverage open-source proxy tools like mitmproxy or tinyproxy, which allow you to intercept and modify HTTP requests and responses in real-time. By configuring these, you can simulate different geo conditions:. - Source: dev.to / 9 months ago
When comparing Security Headers and mitmproxy, you can also consider the following products.

The Mozilla Observatory is a project designed to help developers, system administrators, and security professionals configure their sites safely and securely.
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HTTP proxy / HTTP monitor / Reverse Proxy
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Hardenize provides a comprehensive and free assessment of web site network and security configuration.
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Beautiful, cross-platform & open-source tools to debug, test & build with HTTP(S). One-click setup for browsers, servers, Android, CLI tools, scripts and more.
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This free online service performs a deep analysis of the configuration of any SSL web server on the public Internet.
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Advanced Web Debugging Proxy for Mac & iOS
Compare Surge for Mac to Security Headers or mitmproxy: